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Electricity will do it. You can use a small battery and a beaker of water. Put a wire from each terminal into the water. The water will bubble as the electricity passes through. One electrode, the (+), or anode, will produce oxygen atoms, the other electrode, the (-), or cathode, will produce hydrogen atoms.

The process is called electrolysis. The bubbles can also be collected quite easily (oxygen gas from one terminal, hydrogen from the other), but that is another matter.

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16y ago
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AnswerBot

6mo ago

One way to separate H2O molecules (which are made up of H2O atoms) is through a process called electrolysis. By passing an electric current through water, it can be split into hydrogen and oxygen atoms. This method separates the H2O molecules into their constituent atoms.

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15y ago

Yes. Most commonly, H2O is separated by electrolysis. This produces separate hydrogen and oxygen gas. It is actually a very common high school science experiment.

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15y ago

Electrolysis will break the oxygen-hydrogen covalent bonds, resulting in hydrogen and oxygen gases.

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11y ago

Yes you cansplitatoms

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11y ago

Electrolysis

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7y ago

Yes - hydrogen & oxygen.

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Q: How do you separate H2O atoms?
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